Just did a regular ubuntu update on a laptop. Now in About>Details it says
Graphics: llvmpipe (LLVM 6.0, 256 bits)
It said "Intel Graphics (CofeeLake something...)" before the update. Also gnome-shell cpu usage went significantly up now. How to bring it back?
sudo lspci -v output (relevant lines):
VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo UHD Graphics 620 Flags: bus master, fast devsel, latency 0, IRQ 11 Memory at a0000000 (64-bit, non-prefetchable) [size=16M] Memory at 90000000 (64-bit, prefetchable) [size=256M] I/O ports at 3000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities:  Vendor Specific Information: Len=0c <?> Capabilities:  Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [ac] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities:  Process Address Space ID (PASID) Capabilities:  Address Translation Service (ATS) Capabilities:  Page Request Interface (PRI) Kernel modules: i915